Linux System Administrators & Developers

Get Your Linux System Administration Project Started Today!

Post your Linux system administration project on oDesk and find Linux experts and system administrators to assist you with your Linux server installation, configuration, maintenance and technical support tasks. These experienced consultants can manage your Linux network and infrastructure security or perform backups and security scans or updates and identify threats on your Linux OS system. They can also deploy web applications, eCommerce systems and content management systems on your Linux server, or migrate your virtual machine to a physical Linux server. You can also find a professional Linux sysadmin, experienced in system monitoring and control tools, to manage and optimize your Linux-based server farm.

Linux is a collection of free and open-source, cross-platform, Unix-like operating system distributions, among which the most widely known are Ubuntu, Red Hat and Slackware. On oDesk, the world’s largest online workplace, you can find experienced Linux system administrators to set up dedicated Linux web servers, install web hosting control panels (like ZPanel, Plesk, cPanel or DirectAdmin), set up SQL databases and file managers or configure Linux server security and accounts.

Browse Linux System Administration job posts for project examples or post your job on oDesk for free!

Linux System Administration Job Cost Overview

Typical total cost of oDesk Linux System Administration projects based on completed and fixed-price jobs.

oDesk Linux System Administration Jobs Completed Quarterly

On average, 638 Linux System Administration projects are completed every quarter on oDesk.

638

Time to Complete oDesk Linux System Administration Jobs

Time needed to complete a Linux System Administration project on oDesk.

Average Linux System Administration Freelancer Feedback Score

Linux System Administration oDesk freelancers typically receive a client rating of 4.78.

4.78
Last updated: April 1, 2015
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Ciprian B.

Ciprian B.

Citrix and Microsot Senior Engineer

Romania - Last active: 14 days ago - Tests: 2

I've been administering Microsoft and Citrix server infrastructures for the last 8 years, and have in-depth experience with design, deployment, repair and support of all Citrix, VMWare and many Microsoft technologies. My experiences range from server administration roles, specialized application support, desktop support, administrator to advanced virtualization implementations jobs combined with programming skills . For the last three years I've also been working with a Virtualization Consulting Company to design, build and support the following: Citrix VDI-in-a-BOX, XenApp, XenServer, XenDesktop, NetScaler products Microsoft RDS, Server 2003 - 2012 R2, Hyper-V VMWare ESXi 3 years Experience with desktop Virtualization on Citrix products. Citrix (CCA, CCAA, CCEE, CCIA) Microsoft (MCP, MCDST, MSCA, MCS, MCITP, MCSE) Excellent technical skills on Enterprise networks Expert-level hands-on operation of Citrix Products and associated third party management and support tools. Experience leading VDI (View and/or Xen) projects; Experience working as a consultant; Experience architecting and managing streaming applications over a VDI environment. I am confident I'll be a great asset to your project or organization, and look forward working with you! Certifications : Citrix : CCA Citrix Certified Administrator XenApp 6.5 CCAA Citrix Certified Advanced Administration XenApp 6.5 CCA Citrix Certified Administrator XenDesktop 5 CCA Citrix Certified Administrator XenServer 6.0 CCEE Citrix Certified Enterprise Engineer CCIA Citrix Certified Integration Architect CCP-V Citrix Certified Professional - Virtualization CCE-V Citrix Certified Expert - Virtualization CCA-N Citrix Certified Associate - Networking CCP-N Citrix Certified Professional - Networking Microsoft: MCITP Virtualization Administrator on Windows Server 2008 R2 MCSA 2012 / 2008 / 7 MCSE 2012 Server Infrastructure Solutions Expert MCSE 2012 Private Cloud MCSE 2012 Desktop Infrastructure MCP Microsoft Certified Professional MCDST Microsoft Certified Desktop Support Technician on Windows XP Microsoft Specialist 2012 Server Virtualization with Windows Server Hyper-V and System Center Specialist MCTS Windows 7, Configuration MCITP Enterprise Desktop Support Technician on Windows 7 MCSA Windows 7 (MCSA) MCTS Windows Server 2008 Active Directory, Configuration MCTS Windows Server 2008 Network Infrastructure, Configuration MCTS Windows Server 2008 Applications Infrastructure, Configuration MCITP Enterprise Administrator on Windows Server 2008 MCSA Windows Server 2008 (MCSA) MCTS Windows Server 2008 R2, Server Virtualization MCTS Windows Server 2008 R2, Desktop Virtualization Other : ITIL V3 Foundation Certified IT Service Management Apple Product Professional Strong VCP, Cisco CCNA , Hardware knowledge, software development Pascal,c++,visual c++, SQL, Java, Active Directory & Exchange,Lotus Notes Remedy, Tivoli, Assyst Ability : team spirit, optimist, sociable, high capacity of learning, dynamic, flexible, skilled team leader, organized, efficient.

$50.00 /hr
150 hours
4.95
Vladislav Y.

Vladislav Y.

Network Expert (Cisco CCIE),Datacenter and Virtual...

Russia - Last active: 1 day ago - Tests: 4

IT Professianl with 15+ year of hands-on experience, an Cisco Expert in both Routing&Switching (CCIE R&S since 2005) and Service Provider (CCIE SP since 2009) , Professional in Network Security (CCSP), Professional in Vmware Vsphere and Horizon view technologies (VCP-DT and VCP-Desktop) I have extensive experience with Cisco ( IOS, NX-OS) , Juniper, HP networking hardware and technologies, and strong on the side of Virtualization ( Vmware) and UNIX systems (Linux, Solaris, FreeBSD). Microsoft OSs are also part of my experience. I am certified in Linux/UNIX:RHCE on RHEL3 and SCNA on Solaris 9 and 10, also Microsoft-Certified: MCSE.

$45.00 /hr
6,958 hours
5.00
Diego Blanco

Diego Blanco

Linux Systems Administrator

Spain - Last active: 3 days ago - Tests: 7 - Portfolio: 3

I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

$33.33 /hr
598 hours
4.91
Roman D.

Roman D.

Server Administrator, Virtualization, Networking -...

Romania - Last active: 1 day ago - Tests: 17 - Portfolio: 1

My objective is to bring excellent client satisfaction, providing quality and professional work. I am an IT Engineer with bachelor degree. I'm also an experienced Linux Server Administrator, areas of my expertise are: *Google Apps Certified Deployment Specialist *Windows family Operating Systems (administration, configuration, audit, optimization) *Rights Management System for Active Directory (installing, configuring) *Linux - CentOS, RedHat, Debian, Ubuntu, Gentoo (administration, configuration, audit, optimization) *Webhosting Administration (cPanel, Plesk, DirectAdmin) *Amazon AWS setup using RightScale.com or Amazon tools *Apache (installation, configuration, optimization) *Network administration (CCNA certified) *MySQL (installation, configuration, optimization) *Subversion systems - SVN, Perforce (instalaltion, configuration) *Atlassian JAVA applications - Jira, Confluence, etc. (installing and configuring) *SMS Gateway (Kannel, PlaySMS) *Mail programs (Exim, Postfix, Qmail, dovecot, ssmtp) *Webprogramming knowledge: PHP, HTML, CSS, JavaScript *System Backup and Restore automatization *System Services Monitoring automatization *Virtualization (VMWare, VirtualBox, HyperVM, OpenVZ, Xen) *Shell Scripting *VPN systems, OpenVPN (installation and configuration) I can figure out fast the problem and find a solution for it. Languages that I speak: Russian and Romanian - native speaker; English - advanced level.

$35.00 /hr
1,649 hours
5.00
Ismet Dumlupinar

Ismet Dumlupinar

MCITP (System Administration), MCT, MCSA, MCSD: We...

Turkey - Last active: 3 days ago - Tests: 14 - Portfolio: 13

Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows Server 2003 & Windows Server 2008 environments. Experience in hardware and software virtualization using VMware and Hyper-V and App-V. Practiced understanding Active Directory, Group Policies, NPS, NAP, Exchange, SQL Server, Dynamics CRM, ERP, PKI and DFS. Experience as a corporate Microsoft/Certification trainer at one of gold certified partners of Microsoft. Proficent in Server 2012 and 2008 (inc.Server Core edition), Hyper-V, switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also providing consulting services for web applications. I am a member of DotNetNuke Corp Internationalization Team and I'm working to expand product features to fully support Turkish localization. I am always looking for new opportunities to develop my skills. Check my Microsoft Profile below: https://www.mcpvirtualbusinesscard.com/VBCServer/idumlupinar/profile

$75.00 /hr
2,230 hours
4.86
Raskin P.

Raskin P.

VPN,Routing and Switching,Firewall Expert, Mikroti...

Bangladesh - Last active: 1 day ago - Tests: 11 - Portfolio: 44

Network and System Administration Skills having near 6 years of Hands on experience on ISP and Telecom with good exposure on IT networks and systems design, planning and implementation ensuring proper security. Vendor Certification : CCNA (Cisco Certified Network Associate) CCNP Routing &Switching (Cisco Certified Network Professional) RHCE (Red Hat Certified Engineer) MCP (Microsoft Certified Professional) MTCNA (Mikrotik Certified Network Associate) MTCRE (Mikrotik Certified Routing Engineer) JNCIA (Juniper Certified Network Associate) ITIL-Foundation 2011 Course Completed : CCNA Security,CCNA Voice,CCIP BGP,CCIP MPLS Specialization * Routing and Switching: Cisco,Juniper,Mikrotik,HP,Zyxell, Netgear, Quagga, Linux Gateway,Egdemax,Dell * Firewall : Cisco ASA,PFSense,Cisco Pix,Zywall,Linux Iptables,QOS,Edgemax,Mikrotik, Nokia Checkpoint, Fortigate 1000, Juniper SRX 3600 * Server OS Platform : Centos,Ubuntu,Debian,Redhat,Windows Server 2003 & 2008.2012 * VPN (Remote Access/Site to Site): Mikrotik RouterOS,Cisco ASA,Open VPN, OpenSwan, PFSense,DD-WRT,Cisco Pix,PPTP Vpn linux,GRE over IPSEC,Linux IPSEC,Dell Sonicwall PF Sense,Strongswan,Windows Server 2003 , 2008, 2012, Zywall, Netgear,TP Link,Draytek Vigor,Forninet,Juniper Netscreen,Checkpoint,Cisco IPSEC/L2tp,AnyConnect SSL WebVPN. * Application Server : Mail,Dns,Dhcp,Proxy,Samba,Ftp,Web,Active Directory,Cacti,MRTG,Syslog,Free Radius,Daloradius,Phpmyadmin * Virtualization : Vmware,Linux Xen, Vmware ESXI * Application Load Balancer : Cisco ACE 4710,F5 Big IP LTM,Citrix Netscaller, Foundry Serverion, loadbalancer.org * Wireless : DD-WRT,Netgear,Linksys,Dlink,TP Link,Cisco Aironet 1100,1200,WLC,Cisco Lighweight AP joining to WLC. * IP Telephony : Core Asterisk,Elastix,Trixbox,Asterisk now,Free switch,ATA, IP Phone * Cloud : AWS EC2 Instance,DigitalOcean

$40.00 /hr
334 hours
4.94
Nallamala V.

Nallamala V.

Docker / AWS/ GCE/ Azure/ Linux/ LAMP / DevOps/ Po...

India - Last active: 1 day ago - Tests: 4

Docker & AWS & Azure & Google Compute Engine & Cloud and System administration & Production Support & Migrations & Cost Optimization & Security hardening & Performance Tuning & High availability & 24/7 detailed Monitoring & Automation & Continuous Integration & Chef & Ansible & Jenkins & LAMP & Shell Scripting EXCLUSIVE SERVICES: Docker, Ansible, Cloudformation CLOUD ASSESSMENT AND STRATGEY: Rapidly evaluate, define opportunities & the roadmap to move your IT to the Cloud. Create the optimal platform for building Systems of Engagement. I will help you develop your cloud strategy to ensure seamless and effortless migration of applications, platforms and infrastructure. DESIGN & IMPLEMENTATION Create high available and scalable architecture keeping the infrastructure and maintenance at cost at minimum. DATA CENTERS TO CLOUD MIGRATIONS (LIFT n SHIFT): Pre-migration readiness assessment. Services to seamlessly migrate your infrastructure to the cloud without any business downtime along with processes for security, backup and DR CLOUD AUTOMATION AND OPTIMIZATIONS Run your infrastructure with high efficiency by optimising and automating cloud deployments. Cost and Performance optimization. DEVOPS SERVICES Make use of industry best practices to automate the infrastructure provisioning, scaling , backup, monitoring, patch updates, code deployments TECHNOLOGY EXPERTISE: Public Clouds: AWS, Azure, Google Compute Engine Stack Migrations and Deployments: LAMP/LEMP( Wordpress, Drupal, Magento, Joomla etc), Java, RoR, .Net, Python(Django), Node.js OS Administration: Linux, Windows, Mac Web/App Servers Administration: Apache, Nginx, HAProxy, Tomcat, JBoss, IIS, Puma, Rails, Database Administration: MySQL, Postgres, SQL, Mongo, Cassandra Cache Mangament: CDN, Redis, Memcached, Varnish Automation Tools: Chef, Ansible, Jenkins, Docker Monitoring Tools: Nagios, Zabbix, NewRelic, Data Dog, Opsview Security: OpenVPN, Nessus, OSSEC Experience: Migrated 300+ Applications to AWS, Azure and GCE. Managed 10000+ VM instances in cloud. Migrated and Managed high popular applications to cloud. Designed highly scalable , available and secured architectures for popular e-commerce and Enterprise applications. Migrated and managed HIPAA complaint applications.

$49.00 /hr
2,479 hours
4.81
Ronald I.

Ronald I.

Web Developer

Canada - Last active: 26 days ago - Tests: 4 - Portfolio: 1

- Web Developer/Programmer with a broad understanding of Web Technologies, Programming Languages, Server Administration, Web Security and CMS installation, configuration, management, and troubleshooting. - Worked with HTML5, XHTML, HTML, CSS, PHP, MySQL, ASP.NET, JAVA, JavaScript, jQuery, XML, Ajax, e-commerce solutions, LAMP, Social Media, SEO, Implementing custom WordPress themes / plugins for blogs or websites using WordPress as CMS. - Background in Web Security. Strong understanding of web attacks such as XSS, SQL Injections, CSRF and others. - Strong background in computer programming with extensive experience with various end user software and internet access programs. - Takes initiative; works well as part of a team and individually. - Fast learner with strong problem solving abilities and a willingness and eagerness to learn new skills. - Excellent oral and written communication skills in English and Spanish. Specialties: Web Applications, Web Design, Web Hosting, Internet Security, Networking, Server Administration

$60.00 /hr
40 hours
4.87
Oleksandr N.

Oleksandr N.

Senior System Administrator, Security officer, Mig...

Ukraine - Last active: 3 days ago - Tests: 20 - Portfolio: 16

YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).

$34.88 /hr
1,208 hours
5.00
Ahmed Sayed

Ahmed Sayed

Senior Linux Administrator / Virtualization /Aster...

Egypt - Last active: 1 day ago - Tests: 7 - Portfolio: 1

I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Asterisk/Trixbox/Elastix/VoIP architect Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery

$44.44 /hr
6,747 hours
5.00